Unnecessary safety since we check in all usages
Unnecessary safety since we check in all usages

pgherveou/PromiseKit,allen-zeng/PromiseKit,mxcl/PromiseKit,pgherveou/PromiseKit,mxcl/PromiseKit,mxcl/PromiseKit,allen-zeng/PromiseKit,pgherveou/PromiseKit